Патент USA US2123890код для вставки
July 19, 1938. G, GCSSRAU SURGICAL CLASP 2,123,890 T ' ‘Filed NOV. 28, 1956 lnvem‘or’ _ ‘ Q ofTHA/eb Gan-HA0. By IAfforney ' i ’ Patented July 19, 193 2,123,89 UNlTED STAES PATEN'E OFFE 2,123,890 ' ' SURGIIGAL CLASP Gotthard Gossrau, Bitterfeld, Germany, assignor, by mesne assignments, to Magnesium Develop ment Corporation, a corporation of Delaware Application November 28, 1936, Serial No. 113,170 Germany June 3, 1933 2 Claims. (Cl. 128-325) I The present invention relates to improvements The middle section i thus formed is then, with in surgical clasps. the aid of the tongs, brought into position around For surgical purposes, for example for the the vein 2 to be tied, and by closing the tongs underbinding and tying of veins, etc. metal _ ?rst brought into the shape according to Figure 5 clasps made from silver, German silver, and 1b, whereupon, on the further exercise of pres aluminium-alloys are frequently employed. Mag sure by the tongs, the clasp is folded along a nesium metal which, in contradistinction to the line 3 which is in parallel to its longitudinal ex aforesaid metals or alloys, is resorbed' by the tension (compare Figure 1c). The bend thus human or animal body without any di?iculty, and produced in the clasp renders it entirely rigid 10 which therefore would appear to be an unsur and thus securely prevents the clasp from re- 10 passable clasp material for these purposes, has, opening by itself. however, up-to-date not been employed to any In adjusting the clasp, there is preferably made great extent, the reason being that the produc use of the tool according to Figures 2 and 2a. tion of clasps having a sumcient strength and This tool consists of a pair of tongs of the usual 15 rigidity when applied to the body requires the surgical form, of ‘which the jaws ii and 5 are 15 employment of magnesium in the form of wire suitably shaped to receive the unfolded clasp and or ribbon of such a thickness that a bending ‘of to produce the longitudinal bend in the clasp the material in the cold is impossible. ‘ after folding. To this end, one of the jaws is One of the objects of the present invention provided with a chamfer or furrow t corre 20 consists in devising a form of clasp for surgical sponding in cross-section to the cross-section of purposes which enables the use of- magnesium the clasp in its ?nal form, whilst the other law ribbon or tape of. a thinness which will allow is provided with a ridge 5 adapted to register of a bending of the unfolded clasp without any with the chamfer or furrow 4. In order to retain risk of its breaking. The necessary rigidity of the unfolded clasp in its position, a metal frame 25 the clasp, the material of which would be too 6 is attached to the ?rst-named jaw which sur- 25 weak in itself, is, according to the present in rounds the chamfer or furrow d. . vention, achieved by a suitable shaping operation In using the tongs, the strip of magnesium which takes placeonly after the ribbon or tape bent according to Figure 1a is inserted in the forming the clasp has been applied to the vein trough formed by the frame 6 and then folded 30 to be tied. According to the preferred embodi around the vein to be tied in the usual manner, 30 ment of the present invention such suitable shap the jaws of. the tongs, on closing, ?rst compress ing is brought about by indenting or bending the ing the strip into the form shown in Figure 1?). folded clasp along a linein parallel with the On the further exercise of pressure the bend 3 longitudinal extension of. the clasp with the aid as shown in Figure .1c, is formed in the clasp by 35 of a suitable tool. chamfer or furrow ll registering with ridge 5 so 35 E In the annexed drawing, Figures 1a, 1b and that ?nally the clasp tied around the vein as ' 1c are representative of the various stages of sumes the form shown in Figure 1c. The clasp applying the clasp according to the present in is then securely fastened and effectively pre ~ vention to the body, whilst Figure 2 is a frontal vented from re-opening. 420 view of a pair of tongs to be employed in adjust I claim: 40 ing and bending the clasp, and Figure 2a a view 1. A surgical clasp consisting of a folded piece" of one of the jaws of the tongs in a position at right angles to that shown in Figure 2. According to a preferred embodiment of the of. ribbon or tape of magnesium metal being bent along a line in parallel with its longitudinal axis. 2. A surgical clasp consisting of a folded piece of ribbon or ‘tape of magnesium metal so as to 45 form a base and two sides overlapping each other, Q5 invention, a strip of magnesium sheet of 0.05 mm. thickness, being 15 mms. long and 5 mms. wide, is bent in U-shape fashion according to Figure 1a, ' such folded piece being bent along a line in par- ' the middle section being 7 mms. long and the two allel with its longitudinal sides being 2 mms. and 6 mms. long, respectively.